Máirín Glenn works as a teaching principal in a primary school in Co. Mayo, Ireland. She also works as a part-time tutor in the area of self-study action research with many of the teacher education programmes in Ireland.
Mary Roche is a lecturer in teacher education having spent many years as a teacher. She is author of Developing Children's Critical Thinking through Picturebooks (Routledge 2015)and has developed literacy support materials for National Council for Curriculum and Assessment (Ireland).
Caitriona McDonagh has spent many years as a primary teacher. She is a supervisor for school placement with the Froebel Department of Primary and Early Childhood Education, Maynooth University and supervises action research projects in Mathematics for postgrad students at the University of Limerick, Ireland.
Bernie Sullivan is a former principal of a primary school in Dublin, Ireland. She has worked as a tutor for second-level student teachers on school placement with St. Patrick's College, Thurles, Ireland. She currently supervises action research projects in Mathematics teaching for postgraduate students at the University of Limerick, Ireland.